﻿(function () {
    CKEDITOR.plugins.add("autoformat", {
        init: function (a) {
            a.addCommand(
                "autoformat",
                CKEDITOR.plugins.autoformat.commands.autoformat
            );
            a.ui.addButton("autoformat", {
                label: "一键排版",
                command: "autoformat",
                icon: this.path + "images/autoformat.png"
            });
        }
    });
    CKEDITOR.plugins.autoformat = {
        commands: {
            autoformat: {
                exec: function (editor) {
                    formatText(editor);
                }
            }
        }
    };

    //格式化
    function formatText(editor) {
        var myeditor = editor;
        if (myeditor.mode == "wysiwyg") {
            var tempimg = new Array();
            var temptable = new Array();
            var tempobject = new Array();
            var isPart = false; //暂时无法实现局部格式化
            if (!isPart) {
                var tmpDiv = document.createElement("DIV");
                var editorhtml = myeditor.getData();
                editorhtml = editorhtml.replace(
                    /<div style="page-break-after: always;?">\s*<span style="display: none;?">&nbsp;<\/span>\s*<\/div>/gi,
                    "<p>[page]</p>"
                ); //将div span标签替换为p 标签
                tmpDiv.innerHTML = editorhtml
                    .replace(/&nbsp;/gi, "")
                    .replace(/<div/gi, "<p")
                    .replace(/<\/div/gi, "</p"); //移除空格标签，div替换为p标签。
                if (
                    window.navigator.userAgent.toLowerCase().indexOf("msie") > 0
                ) {
                    tmpDiv.innerHTML = tmpDiv.innerHTML.replace(
                        /<\/p>/gi,
                        "<br /></p>"
                    ); //每个段落相隔一行
                }
                var tables = tmpDiv.getElementsByTagName("TABLE");
                if (tables != null && tables.length > 0) {
                    for (var j = 0; j < tables.length; j++) {
                        temptable[temptable.length] = tables[j].outerHTML;
                    }
                    var formattableCount = 0;
                    for (var j = 0; j < tables.length;) {
                        tables[j].outerHTML =
                            "#FormatTableID_" + formattableCount + "#";
                        formattableCount++;
                    }
                }
                var objects = tmpDiv.getElementsByTagName("OBJECT");
                if (objects != null && objects.length > 0) {
                    for (var j = 0; j < objects.length; j++) {
                        tempobject[tempobject.length] = objects[j].outerHTML;
                    }
                    var formatobjectCount = 0;
                    for (var j = 0; j < objects.length;) {
                        objects[j].outerHTML =
                            "#FormatObjectID_" + formatobjectCount + "#";
                        formatobjectCount++;
                    }
                }
                var imgs = tmpDiv.getElementsByTagName("IMG");
                if (imgs != null && imgs.length > 0) {
                    for (var j = 0; j < imgs.length; j++) {
                        var t = document.createElement("IMG");
                        t.alt = imgs[j].alt;
                        t.src = imgs[j].src;
                        t.width = imgs[j].width;
                        t.height = imgs[j].height;
                        t.align = imgs[j].align;
                        tempimg[tempimg.length] = t;
                    }
                    var formatImgCount = 0;
                    for (var j = 0; j < imgs.length;) {
                        imgs[j].outerHTML =
                            "#FormatImgID_" + formatImgCount + "#";
                        formatImgCount++;
                    }
                }
                var strongarray = new Array();
                var strongcount = 0;
                for (
                    var i = 0;
                    i < tmpDiv.getElementsByTagName("b").length;
                    i++
                ) {
                    strongarray[strongcount] = tmpDiv
                        .getElementsByTagName("b")
                    [i].innerText.trim();
                    tmpDiv.getElementsByTagName("b")[i].innerHTML =
                        "#FormatStrongID_" + strongcount + "#";
                    strongcount++;
                }
                for (
                    var i = 0;
                    i < tmpDiv.getElementsByTagName("strong").length;
                    i++
                ) {
                    strongarray[strongcount] = tmpDiv
                        .getElementsByTagName("strong")
                    [i].innerText.trim();
                    tmpDiv.getElementsByTagName("strong")[i].innerHTML =
                        "#FormatStrongID_" + strongcount + "#";
                    strongcount++;
                }
                var html = processFormatText(tmpDiv.innerText);
                html = html.replace(
                    /<p>\[page\]<\/p>/gi,
                    '<div style="page-break-after: always;"><span style="display: none;">&nbsp;</span></div>'
                ); //p标签替换回原来的div和span标签。
                if (temptable != null && temptable.length > 0) {
                    for (var j = 0; j < temptable.length; j++) {
                        var tablehtml = temptable[j];
                        html = html.replace(
                            "#FormatTableID_" + j + "#",
                            tablehtml
                        );
                    }
                }
                if (tempobject != null && tempobject.length > 0) {
                    for (var j = 0; j < tempobject.length; j++) {
                        var objecthtml =
                            '<p align="center">' + tempobject[j] + "</p>";
                        html = html.replace(
                            "#FormatObjectID_" + j + "#",
                            objecthtml
                        );
                    }
                }
                if (tempimg != null && tempimg.length > 0) {
                    for (var j = 0; j < tempimg.length; j++) {
                        var imgheight = "";
                        var imgwidth = "";
                        if (tempimg[j].height != 0)
                            imgheight = ' height="' + tempimg[j].height + '"';
                        if (tempimg[j].width != 0)
                            imgwidth = ' width="' + tempimg[j].width + '"';
                        var imgalign = "";
                        if (tempimg[j].align != "")
                            imgalign = ' align="' + tempimg[j].align + '"';
                        var imghtml =
                            '<p align="center"><img src="' +
                            tempimg[j].src +
                            '" alt="' +
                            tempimg[j].alt +
                            '"' +
                            imgwidth +
                            " " +
                            imgheight +
                            ' align="' +
                            tempimg[j].align +
                            '" border="0"></p>';
                        html = html.replace("#FormatImgID_" + j + "#", imghtml);
                    }
                }
                for (var i = 0; i < strongcount; i++) {
                    html = html.replace(
                        "#FormatStrongID_" + i + "#",
                        "<p><strong>" + strongarray[i] + "</strong></p>"
                    );
                }
                while (html.indexOf("</p></p>") != -1)
                    html = html.replace("</p></p>", "</p>");
                while (html.indexOf('<p><p align="center">') != -1)
                    html = html.replace(
                        '<p><p align="center">',
                        '<p align="center">'
                    );
                editor.setData(html);
            } else {
            }
        } else {
            alert("必须在设计模式下操作！");
        }
    }
    function processFormatText(textContext) {
        var text = dbc2Sbc(textContext);
        var prefix = "";
        var tmps = text.split("\n");
        var html = "";
        for (var i = 0; i < tmps.length; i++) {
            var tmp = tmps[i].trim();
            if (tmp.length > 0) {
                var reg = /#Format[A-Za-z]+_\d+#/gi;
                var f = reg.exec(tmp);
                if (f != null) {
                    tmp = tmp.replace(/#Format[A-Za-z]+_\d+#/gi, "");
                    html += f;
                    if (tmp != "")
                        html += '<p align="center">' + tmp + "</p>\n";
                } else {
                    html += "<p style='text-indent:2em;'>" + tmp + "</p>\n";
                }
            }
        }
        return html;
    }
    function dbc2Sbc(str) {
        var result = "";
        for (var i = 0; i < str.length; i++) {
            var code = str.charCodeAt(i);
            // “65281”是“！”，“65373”是“｝”，“65292”是“，”。不转换"，"
            if (
                code >= 65281 &&
                code < 65373 &&
                code != 65292 &&
                code != 65306
            ) {
                //  “65248”是转换码距
                result += String.fromCharCode(str.charCodeAt(i) - 65248);
            } else {
                result += str.charAt(i);
            }
        }
        return result;
    }
    String.prototype.trim = function () {
        return this.replace(/(^[\s　]*)|([\s　]*$)/g, "");
    };
    String.prototype.leftTrim = function () {
        return this.replace(/(^\s*)/g, "");
    };
    String.prototype.rightTrim = function () {
        return this.replace(/(\s*$)/g, "");
    };
})();